/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Joint/PBDJointSolverGaussSeidel.h
Apply projection (a position solve where the parent has infinite mass) for the constraints
void ApplyProjections ( const [FReal](API\Runtime\ChaosCore\Chaos\FReal) Dt, const [FPBDJointSolverSettings](API\Runtime\Chaos\Chaos\FPBDJointSolverSettings) & SolverSettings, const [FPBDJointSettings](API\Runtime\Chaos\Chaos\FPBDJointSettings) & JointSettings, const bool bLastIteration )